System and method for plotting the mark drawn on a writing medium
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United States of America Patent
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Nov 29, 2016
Grant Date -
Dec 11, 2014
app pub date -
Jun 9, 2014
filing date -
Jun 7, 2013
priority date (Note) -
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Abstract
A system for plotting a mark drawn on a writing medium, comprising a tool including a first and a second permanent magnet. The first permanent magnet is mechanically linked to a tip. There is a network of magnetometers having N triaxial magnetometers and an electronic computer programmed in order to: a) determine, from the measurements from the triaxial magnetometers, the positions of the two permanent magnets and the orientations of the magnetic moments of said two permanent magnets and b) calculate the relative position and/or relative orientation of the magnetic moment of the first permanent magnet in relation to the orientation of the magnetic moment of the second permanent magnet from the results of step a). The calculated relative position and/or orientation is then used by a device as a value of a physical quantity that is representative of the pressure exerted on the tip.
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